LISsailor

Any recommendations on spacer size and manufacturer/source for a .2 C4S? The car has factory 5mm spacers but they still appear tucked in. I believe I recall 15mm but do not know if that’s rear or all around.

Any adverse affects with larger spacers? Should I leave it alone?

LexVan

This.

wjk_glynn

7mm up front, and 15mm in the rear is a common setup with the rims that came from Porsche for that car.

I’ll assume you know about hub-centric fitting, proper bolt length, etc.

I like to always have a seat on the spacer for the rim, but that’s tough on spacers less than 10mm as there’s not a lot of space.

The only vendor I know that sells a 7mm spacer with a seat is Elephant Racing - https://www.elephantracing.com/porsc...ers-lug-bolts/

They mill out slots in that spacer for the 3 fingers coming out of the hub, yet retain the ring to seat the wheel.

Karl.

PS: Though a BMW specific vendor, this article by Turner Motorsport gives a good overview - https://www.turnermotorsport.com/t-w...s-encyclopedia

mcfisticuffs

I'm running 7mm up front and 15mm in the back and they could both use a couple extra mm.

But.

They're bought and paid for so low priority at this point.

jchapura

What look are you looking for?

Take a flat edge across the wheel opening (fender lip to fender lip) on the car - at a height from the floor that approximates the tire/fender lip relationship that's pleasing to you. Then measure from flat edge to the tire (or wheel rim, whatever you think will result in the look you're looking for) - and that measurement is the amount of wheel spacer you need (in other words, how much to move-out the tire/wheel from its current location).

Be sure to buy appropriate length wheel bolts.

On my stock 997.1, I use 15 mm "all around". I too wish I had gone a bit thicker - maybe 18-20 mm.

okbarnett

It gives it a slightly wider look. it doesnt hurt anything. If youre in to detail you will like it, you can get everything on ebay

myw

do you have a photo of your car so we can see which wheels (sizes/widths) you are running?

TheBruce

I have 7mm front, 15mm rear RSS spacers. Rears are perfect. Fronts are still a little too tucked in for my taste. If I had to do over again I would get 15mm up front too.

My indy told me it was best for the car's geometry to use the same size all around, or make the fronts 1/2 the dimension of the rears. I have no idea if thats true...

myw

doubt it's true. but I'm glad another member who has gone the 7/15 route admits that the fronts via 7mm still has lots of room to push out.

i have 15s front and back , i would say if someone is on the fence or a tad worried that is a little too aggressive, just got 12F/15R (assuming 8inch front 11 inch rear oem wheel)

TheBruce

I would have done this too if it wasn’t for my indy’s comment. I think this is the perfect look

996AE

Same set up for my 997.1

Looks great!

LISsailor

Thank you for the wealth of information here guys. It will take some time to digest. I like the idea of 7mm front and 15mm back. The car came with factory optioned 5mm at all corners.

I am running 305 rear and 235 front tires. Cannot recall the wheel design.

L96A1

You can search on Youtube how to measure for spacers and then you can decide how far you want to go.

ElectricChair

You won't see any difference from 5mm to 7mm. Go 10mm+ or keep the 5mm.

Para82

I did the 15mm rear / 7mm front RS spacers about 3 years ago (30,000+ miles on them since) and I love them. Made the wheels flush with the wide fenders and gave the rear end a slightly wider presence on the road. Go for it you'll be glad you did.